diff --git a/packages/backend/src/core/RemoteUserResolveService.ts b/packages/backend/src/core/RemoteUserResolveService.ts
index e84fd9dfe2..6d5af05716 100644
--- a/packages/backend/src/core/RemoteUserResolveService.ts
+++ b/packages/backend/src/core/RemoteUserResolveService.ts
@@ -144,7 +144,7 @@ export class RemoteUserResolveService {
 
 		// Update URI
 		await this.usersRepository.update({ id: user.id }, { uri: href }); // Update the user
-		await this.cacheService.uriPersonCache.delete(user.uri); // Unmap the old URI
+		await this.apPersonService.uriPersonCache.delete(user.uri); // Unmap the old URI
 		await this.internalEventService.emit('remoteUserUpdated', { id: user.id }); // Update caches
 
 		this.logger.info(`Corrected URI for ${acct} from ${user.uri} to ${href}`);
diff --git a/packages/backend/src/core/activitypub/models/ApPersonService.ts b/packages/backend/src/core/activitypub/models/ApPersonService.ts
index 69c69431d0..184ce92694 100644
--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@@ -306,7 +306,7 @@ export class ApPersonService implements OnModuleInit {
 		if (parsed.local) {
 			userId = parsed.type === 'users' ? parsed.id : null;
 		} else {
-			userId = await this.cacheService.uriPersonCache.fetch(uri).catch(() => null);
+			userId = await this.uriPersonCache.fetch(uri).catch(() => null);
 		}
 
 		// No match